22111220200022 has 16 divisors (see below), whose sum is σ = 35150671470240. Its totient is φ = 10395546419328.

The previous prime is 22111220200009. The next prime is 22111220200057. The reversal of 22111220200022 is 22000202211122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304140458 + ... + 304213149.

It is an arithmetic number, because the mean of its divisors is an integer number (2196916966890).

Almost surely, 2^{22111220200022} is an apocalyptic number.

22111220200022 is a deficient number, since it is larger than the sum of its proper divisors (13039451270218).

22111220200022 is a wasteful number, since it uses less digits than its factorization.

22111220200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608354695.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22111220200022 its reverse (22000202211122), we get a palindrome (44111422411144).

The spelling of 22111220200022 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, twenty-two".